A250725 - cp's OEIS frontend

A250725 Number of (n+1) X (4+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

n	a(n)
1	114
2	257
3	496
4	885
5	1500
6	2434
7	3807
8	5760
9	8465
10	12119
11	16954
12	23231
13	31250
14	41344
15	53889
16	69298
17	88031
18	110589
19	137524
20	169433
21	206968
22	250830
23	301779
24	360628
25	428253
26	505587
27	593630
28	693443
29	806158
30	932972
31	1075157
32	1234054
33	1411083

[114, 257, 496, 885, 1500, 2434, 3807, 5760, 8465, 12119, 16954, 23231, 31250, 41344, 53889, 69298, 88031, 110589, 137524, 169433, 206968, 250830, 301779, 360628, 428253, 505587, 593630, 693443, 806158, 932972, 1075157, 1234054, 1411083]

cp's OEIS Frontend

A250725 Number of (n+1) X (4+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.

Table of values

List of values